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3,677
RESULTS

texts texts 3,677
COLLECTION
TOPIC atoz
bell system 3,487
frequency 644
system 442
circuit 364
signal 345
data 270
bell 236
noise 216
error 210
equation 209
output 208
network 195
phase 190
impedance 179
cable 171
telephone 166
voltage 161
current 158
channel 156
theorem 156
loss 154
magnetic 154
mode 154
input 151
waveguide 151
power 145
filter 142
optical 141
circuits 140
antenna 138
fiber 136
pulse 132
digital 129
electron 127
switching 127
exp 124
values 122
modes 121
wave 121
field 120
beam 117
function 117
repeater 113
sin 112
design 111
amplitude 108
carrier 106
matrix 105
program 105
speech 105
equations 104
amplifier 103
trunk 95
test 92
tube 90
delay 89
gain 86
control 85
linear 82
diode 80
fibers 80
code 77
random 77
loop 76
surface 73
filters 67
wire 63
ess 62
radio 62
lemma 59
relay 59
cathode 58
ghz 57
model 56
density 55
silicon 55
systems 55
calls 54
fourier 53
coaxial 52
coding 50
optimum 49
average 48
crystal 48
signals 48
trunks 48
energy 47
vector 47
binary 46
lens 46
toll 46
center 45
core 45
curves 45
pulses 44
impulse 43
rate 43
sample 43
errors 42
grid 41
source 41
unit 41
frame 40
echo 39
message 39
cables 38
coder 38
coil 38
contact 38
curve 38
journal 38
pcm 38
user 38
waves 38
charge 37
fading 37
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